Free download repair manual 1984 mercedes-benz 300 TD Turbo

Mercedes Benz W123

Anything "free" for Mercedes is hard to find..

Mercedes Benz 300D Service Repair Manuals on Motor Era

Mercedes 300 Workshop Owners Manual Free Download

install the bottom half into the pan as far as it goes, the install the top half to it and the 2 bolts to bottom of the turbo. the slide the rubber grommet on the bottom section down into the oil pan until it is seated, next using a slip jaw pliers grab the bottom section and slide it straight up into the top pipe section which also the seals it into the bottom rubber grommet, I hope this helps.

check primary fuel filter for diesel.If none take hose and blow back to tank.You should hear air bubbling. then try letting pump pick up fuel.You could have a clogged screen in the tank.

new ignition lock needed thats all ,only available from a merc garage to order

If you are certain that the fuse is okay, next replace the Multi-Purpose Relay/Combination Relay. This relay controls all three of those devices and is most likely your culprit. I would try the junkyard first and grab two just to be on the safeside. You'll find it under the fuse box cover on the driver's side engine bay.

ignition switches are a known issue with this era mercedes. Not too difficult to change the ignition switch. Google is good source for pics, videos and instructions on this. Be aware that the switch is about $400 from the dealer. You could get one without matching key for alot cheaper if you dont care about that. Also, you can get one without the key lock for much cheaper if you are able to remove the key lock from your existing switch.

Your turn signals and hazards operate on the same circuit...... thats why you lost turn signals when you snipped the wires behind the hazard switch...

your hazard switch is faulty, stuck in an open loop (always on).......replace it

ebay is best, if not then Autohaus AZ


You should join www.benzworld.org sub group W123
Nice folks, good advice, that manual your looking for, and a whole lotta free info

Check the hoses going to the calipers, they  can collapse internally and become one way valves.

its located on the alternator and is very easy to replace. you get at it from under the car. 2 screws hold it in place. if your car is not charging this is probably the problem.